n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 3 |
3 | 165 |
4 | 12972 |
5 | 1706460 |
6 | 372470760 |
7 | 127985964120 |
8 | 65545882234560 |
9 | 47784528317211840 |
10 | 47784706087589654400 |
11 | 63601467702843268598400 |
12 | 109903339976314925131660800 |
13 | 241457638625928074776576550400 |
[0,0,3,165,12972,1706460,372470760,127985964120, 65545882234560,47784528317211840, 47784706087589654400,63601467702843268598400, 109903339976314925131660800, 241457638625928074776576550400] |